1217956384

素因数分解:

$2^5\times {\mathrm{29}}^2\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:506

約数の個数: 72

約数和(自身を含む): 2507476608

約数和(自身を除く): 1289520224

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 167, 232, 271, 334, 464, 542, 668, 841, 928, 1084, 1336, 1682, 2168, 2672, 3364, 4336, 4843, 5344, 6728, 7859, 8672, 9686, 13456, 15718, 19372, 26912, 31436, 38744, 45257, 62872, 77488, 90514, 125744, 140447, 154976, 181028, 227911, 251488, 280894, 362056, 455822, 561788, 724112, 911644, 1123576, 1312453, 1448224, 1823288, 2247152, 2624906, 3646576, 4494304, 5249812, 7293152, 10499624, 20999248, 38061137, 41998496, 76122274, 152244548, 304489096, 608978192, 1217956384]

約数ペア:

[(1, 1217956384), (2, 608978192), (4, 304489096), (8, 152244548), (16, 76122274), (29, 41998496), (32, 38061137), (58, 20999248), (116, 10499624), (167, 7293152), (232, 5249812), (271, 4494304), (334, 3646576), (464, 2624906), (542, 2247152), (668, 1823288), (841, 1448224), (928, 1312453), (1084, 1123576), (1336, 911644), (1682, 724112), (2168, 561788), (2672, 455822), (3364, 362056), (4336, 280894), (4843, 251488), (5344, 227911), (6728, 181028), (7859, 154976), (8672, 140447), (9686, 125744), (13456, 90514), (15718, 77488), (19372, 62872), (26912, 45257), (31436, 38744)]